QTGMC Deinterlacing Script (v3.384)

[LigH]

IIRC, bobbing is the default mode of QTGMC, so simply call QTGMC and omit a following Select[Odd|Even]() ... no warranties though.

[byme]

frames back and forth

Which script should you use?

[Boulder]

Change the field order parameter in QTGMC or use AssumeTFF() or AssumeBFF() before the QTGMC call.

[Thranduilion]

Truly smitten with QTGMC's processing of HD progressive material (I'm partial to InputType=1). While it could be my imagination, I'm perceiving a slight motion blur as a result of the processing. My hunch is that Rep2 is my best bet for minimizing this effect. Could some kind soul please tell me which other parameters could play a hand in helping to minimize motion blur?

Again, I'm totally open to this being my imagination. Just trying to eliminate all other possibilities.

Much obliged!

[raffriff42]

Originally Posted by Thranduilion

Could some kind soul please tell me which other parameters could play a hand in helping to minimize motion blur?

avisynth.nl/QTGMC#Shutter Speed Motion Blur / Frame Rate
I've used QTGMC to add motion blur; never thought it had too much by default. But try SBlurLimit=0; it looks like the only MB parameter that's not already at minimum.

[manono]

Or maybe not use Input Type=1 as it performs temporal smoothing as an aid for the deshimmering it does which might create a kind of motion blur.

[mjr4077au]

To Didee and Vit, this script is absolutely amazing! I've been using this on old VHS-C tapes and the results are second to none

Below is the code I'm using to get these PAL tapes up to 720p50 for blu-ray.

AVISource("roadtrains.avi", audio=false).AssumeFPS(25,1).AssumeTFF()
crop(18, 8, -14, -16)
ColorMatrix(interlaced=true, mode="Rec.601->Rec.709")
ConvertToYV12(interlaced=true, matrix="Rec709", chromaresample="Blackman")
QTGMC(Preset="Placebo", TR2=2, EdiMode="EEDI3+NNEDI3", NoisePreset="Slower", ChromaNoise=True)
nnedi3_rpow2(rfactor=2, pscrn=4, fapprox=0, cshift="BlackmanResize", fwidth=960, fheight=720, ep0=7)
AddBorders(160,0,160,0)

One thing I wanted to comment on is I don't think the placebo preset is very 'placebo'. I notice definite improvement with using eedi3 and nnedi3 sclip and I think this could easily be in the lower presets.

Any thoughts?


Cheers,
Mitch

Sent from my SM-N9005 using Tapatalk

[Music Fan]

Do you use ConvertToYV12 because your source is in YUY2 ? If yes, I believe it's better to let it in YUY2 for de-interlacing and convert in YV12 after QTGMC.

[mjr4077au]

Originally Posted by Music Fan

Do you use ConvertToYV12 because your source is in YUY2 ? If yes, I believe it's better to let it in YUY2 for de-interlacing and convert in YV12 after QTGMC.

Hi Music Fan,

The captures are YUY2. Because I'm using RgTools instead of the older RemoveGrain tools and cannot use YV16 properly with QTGMC, I've opted to do it at that stage. Systematically, it seems better than going through all the Interleaved2Planar and Planar2Interleaved stages. It also seems hackish using older DLL files for AviSynth 2.5 for MaskTools to work with YUY2 in AviSynth 2.6.


Cheers,
Mitch.

[Music Fan]

Originally Posted by mjr4077au

The resize as it is now is working exactly as I need it to and I get an output of 1280x720 for my 720p50 Blu-ray encode.

Ok, but your resize seems more appropriate to 4/3 than to 688.552 which changes AR.

[mjr4077au]

Originally Posted by Music Fan

Ok, but your resize seems more appropriate to 4/3 than to 688.552 which changes AR.

Yeah, that's intended . Even though the source is 5:4, the DAR should be 4:3. Apologies, I misunderstood what you were getting at earlier.

If I didn't resize, I'd add black borders to replace the crop and encode with a SAR of 16:15. Then I'd get the correct output resolution of 768x576 for the source.

[Music Fan]

Sorry, I made a bad calculation
Your video actually keeps its 1.25 SAR after your crop thus your resize is ok.
I believe I typed 576 instead of 552 on my calculator (918.720 would have been good for 688.576, not for 688.552).
I removed this part of my first post.

[mjr4077au]

All good! I edited my reply because that attachment was stupidly huge :P

I'd be interested on more feedback as to whether I should roll back to the old RemoveGrain package and masktools-2.5 to process the video as YUY2.

In this post here on another thread of mine, Reel.Deel mentioned QTGMC requires modification to work in YV16. I'd also be interested in knowing more about that too.


Cheers,
Mitch.

[fvisagie]

[QUOTE=mjr4077au;1753495]

AVISource("roadtrains.avi", audio=false).AssumeFPS(25,1).AssumeTFF()
crop(18, 8, -14, -16)
ColorMatrix(interlaced=true, mode="Rec.601->Rec.709")
ConvertToYV12(interlaced=true, matrix="Rec709", chromaresample="Blackman")
QTGMC(Preset="Placebo", TR2=2, EdiMode="EEDI3+NNEDI3", NoisePreset="Slower", ChromaNoise=True)
nnedi3_rpow2(rfactor=2, pscrn=4, fapprox=0, cshift="BlackmanResize", fwidth=960, fheight=720, ep0=7)
AddBorders(160,0,160,0)

Unrelated, but if you're working with interlaced source (which seems to be the case from your other posts) it should be a better idea to crop after deinterlacing.

[mjr4077au]

[QUOTE=fvisagie;1753695]

Originally Posted by mjr4077au

AVISource("roadtrains.avi", audio=false).AssumeFPS(25,1).AssumeTFF()
crop(18, 8, -14, -16)
ColorMatrix(interlaced=true, mode="Rec.601->Rec.709")
ConvertToYV12(interlaced=true, matrix="Rec709", chromaresample="Blackman")
QTGMC(Preset="Placebo", TR2=2, EdiMode="EEDI3+NNEDI3", NoisePreset="Slower", ChromaNoise=True)
nnedi3_rpow2(rfactor=2, pscrn=4, fapprox=0, cshift="BlackmanResize", fwidth=960, fheight=720, ep0=7)
AddBorders(160,0,160,0)

Unrelated, but if you're working with interlaced source (which seems to be the case from your other posts) it should be a better idea to crop after deinterlacing.

Hi fvisagie,

I cropped first due to the head switching noise. I was worried it'd affect the motion compensation in QTGMC. As I'm only cropping, not resizing, there should only be positives, right?


Cheers,
Mitch.

[Boulder]

As you seem to crop vertically in mod-2 (YUY2), there should be no issues (and it's also recommended if there's only garbage there). Horizontal cropping shouldn't matter as long as you follow the basic rules which depend on the colorspace.

I'd move ColorMatrix after the deinterlacing part, but that's just a matter of taste.

[mjr4077au]

Originally Posted by Boulder

As you seem to crop vertically in mod-2 (YUY2), there should be no issues (and it's also recommended if there's only garbage there). Horizontal cropping shouldn't matter as long as you follow the basic rules which depend on the colorspace.

I'd move ColorMatrix after the deinterlacing part, but that's just a matter of taste.

I thought about it, it but isn't it better to convert to Rec709 prior to converting from YUY2 to YV12?

[Boulder]

It shouldn't matter, the motion estimation procedure etc. is the same anyway.

[fvisagie]

Originally Posted by mjr4077au

I cropped first due to the head switching noise. I was worried it'd affect the motion compensation in QTGMC. As I'm only cropping, not resizing, there should only be positives, right?

You're right, I spoke too soon. Looking back, that's exactly the approach I'd been following with interlaced SD DV. Sorry for the red herring .

Cheers,
Francois

[real.finder]

Originally Posted by mjr4077au

Hi Music Fan,

The captures are YUY2. Because I'm using RgTools instead of the older RemoveGrain tools and cannot use YV16 properly with QTGMC, I've opted to do it at that stage. Systematically, it seems better than going through all the Interleaved2Planar and Planar2Interleaved stages. It also seems hackish using older DLL files for AviSynth 2.5 for MaskTools to work with YUY2 in AviSynth 2.6.


Cheers,
Mitch.

use this http://forum.doom9.org/attachment.ph...4&d=1445557480 it will work with YUY2 in avs 2.6 with new MaskTools and even RgTools